this puts the obama administration in a very difficult position. it puts nato in a very difficult position. is there something preemptive that it must do in order to prevent the assad regime from using these weapons? is there any warning or emissary that can be sent to tell them that this is a red line and that it should not be done? >> excellent question about moving preemptively because the red line would mean that basically people would have to die, jennifer, in order for that line to be crossed. so then you ask can something be done to keep that from happening? real quickly al qaeda and other militants sometimes will move in and cede ground when conflicts are happening. >> i think what we have been seeing in syria and because the situation has been festers in syria for such a long time, you have seen various factions taking advantage of the an arcky. certainly there is concerns and some evidence that al qaeda-linked groups have tried to operate within syr